(19)
(11) EP 2 024 755 A1

(12)

(43) Date of publication:
18.02.2009 Bulletin 2009/08

(21) Application number: 06741628.9

(22) Date of filing: 07.06.2006
(51) International Patent Classification (IPC): 
G01R 31/28(2006.01)
G01R 27/28(2006.01)
 G01R 31/34(2006.01)
G01R 31/06(2006.01)
(86) International application number:
PCT/CH2006/000303
(87) International publication number:
WO 2007/140627 (13.12.2007 Gazette 2007/50)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(71) Applicant: ABB Technology AG
8050 Zurich (CH)

(72) Inventors:
  • TIBERG, Martin
    5400 Baden (CH)
  • HEITZ, Christoph
    8353 Elgg (CH)
  • HOENECKER, Olaf
    8400 Winterthur (CH)
  • GUSTAVSEN, Bjorn
    7465 Trondheim (NO)

(74) Representative: ABB Patent Attorneys 
c/o ABB Schweiz AG, Intellectual Property (CH-LC/IP), Brown Boveri Strasse 6
5400 Baden
5400 Baden (CH)

   


(54) A METHOD FOR DETERMINING THE LINEAR ELECTRICAL RESPONSE OF A TRANSFORMER, GENERATOR OR ELECTRICAL MOTOR